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On the Illiterate Child, Named Jacques Arnodi, Gifted with the Faculty of Performing Very Complicated Calculations - Paul Broca
In this fascinating March 4, 1880 meeting of the Anthropology Society of Paris, Doctor Paul Broca and 11-year-old mental calculator whiz Jacques Arnodi appear together, with Broca providing explanations for Arnodi's amazing gift. What Arnodi used to quickly and correctly multiply in his head large numbers (such as 65,356 X 65,356) was determined by Broca to be "a special and certainly empirical process." Equally interesting, besides the greater understanding we gain of Arnodi's unique mind, is w...
Keywords: Paul Broca; Jacques Arnodi; Robert K. Stevenson; Anthropology Society of Paris; Piedmont; Marseille; cerebral hypertrophy; plagiocephaly; frontal or parietal bumps; convex forehead; calculations; square root; cube root; multiplications; multiply; instinctive calculator; Powers of 2; mental math; memory for numbers; units of order; diagnosis by exclusion; empirical process; 3-digit number
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